Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   3 1/2  pounds        chuck roast
     1/3  cup           bourbon -=or=- brandy -=or=- -- beef broth
     1/3  cup           soy sauce
   2      tablespoons   brown sugar -- packed
   2      tablespoons   vinegar
   2      tablespoons   vegetable oil
     1/2  teaspoon      pepper
   1      small         onion -- chopped
   1                    garlic clove -- finely chopped

Preparation:

Pierce beef with fork several times on both sides. Mix remaining ingredients in shallow glass dish. Place beef in dish; turn to coat with marinade. Cover and refrigerate at least 24 hours, turning beef occasionally. Remove beef from marinade, reserving marinade. Prepare charcoal grill. Cover and grill beef 4-5" from medium coals, 30-35 minutes for medium doneness, turning frequently and brushing with marinade.